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41 
42 #ifndef QGRAPHICSPROXYWIDGET_P_H
43 #define QGRAPHICSPROXYWIDGET_P_H
44 
45 //
46 //  W A R N I N G
47 //  -------------
48 //
49 // This file is not part of the Qt API.  It exists for the convenience
50 // of other Qt classes.  This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "qgraphicsproxywidget.h"
57 #include "private/qgraphicswidget_p.h"
58 
59 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
60 
61 QT_BEGIN_NAMESPACE
62 
63 class QGraphicsProxyWidgetPrivate : public QGraphicsWidgetPrivate
64 {
Q_DECLARE_PUBLIC(QGraphicsProxyWidget)65     Q_DECLARE_PUBLIC(QGraphicsProxyWidget)
66 public:
67     QGraphicsProxyWidgetPrivate()
68         : dragDropWidget(0),
69           posChangeMode(NoMode),
70           sizeChangeMode(NoMode),
71           visibleChangeMode(NoMode),
72           enabledChangeMode(NoMode),
73           styleChangeMode(NoMode),
74           paletteChangeMode(NoMode),
75           tooltipChangeMode(NoMode),
76           focusFromWidgetToProxy(0)
77     { }
78     void init();
79     void sendWidgetMouseEvent(QGraphicsSceneMouseEvent *event);
80     void sendWidgetMouseEvent(QGraphicsSceneHoverEvent *event);
81     void sendWidgetKeyEvent(QKeyEvent *event);
82     void setWidget_helper(QWidget *widget, bool autoShow);
83 
84     QWidget *findFocusChild(QWidget *child, bool next) const;
85     void removeSubFocusHelper(QWidget *widget, Qt::FocusReason reason);
86 
87     // ### Qt 5: Remove. Workaround for reimplementation added after Qt 4.4.
88     QVariant inputMethodQueryHelper(Qt::InputMethodQuery query) const;
89 
90     void _q_removeWidgetSlot();
91 
92     void embedSubWindow(QWidget *);
93     void unembedSubWindow(QWidget *);
94 
95     bool isProxyWidget() const;
96 
97     QPointer<QWidget> widget;
98     QPointer<QWidget> lastWidgetUnderMouse;
99     QPointer<QWidget> embeddedMouseGrabber;
100     QWidget *dragDropWidget;
101     Qt::DropAction lastDropAction;
102 
103     void updateWidgetGeometryFromProxy();
104     void updateProxyGeometryFromWidget();
105 
106     void updateProxyInputMethodAcceptanceFromWidget();
107 
108     QPointF mapToReceiver(const QPointF &pos, const QWidget *receiver) const;
109 
110     enum ChangeMode {
111         NoMode,
112         ProxyToWidgetMode,
113         WidgetToProxyMode
114     };
115     quint32 posChangeMode : 2;
116     quint32 sizeChangeMode : 2;
117     quint32 visibleChangeMode : 2;
118     quint32 enabledChangeMode : 2;
119     quint32 styleChangeMode : 2;
120     quint32 paletteChangeMode : 2;
121     quint32 tooltipChangeMode : 2;
122     quint32 focusFromWidgetToProxy : 1;
123     quint32 proxyIsGivingFocus : 1;
124 };
125 
126 QT_END_NAMESPACE
127 
128 #endif
129 
130 #endif
131